<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title><?php //echo mostrasaluto() ?></title>
</head>
<body>
<!--  commento -->
<p><?php //echo mostrasaluto() ?></p>
<pre>
<?php echo $contenuto ?>
</pre>
<a href="?limite=13">prova con 13</a>
</body>
</html>